I am trying to geo-reference a series of maps of the German Military service in ArcMap or ArcGIS Pro using the coordinate grid (in red) provided by the German Military during the WWII. The attached ...

What do the two curly graphics to the left and right of this map represent? They are the only two on the map and seem to be attached to the border of an area.
I'm sorry I haven't posted the full map, ...

Many old maps have lines like below. Is there a term for a map with that type of lines?
(from http://r-russell0912-dc2.blogspot.com/2011/01/pirate-maps-and-old-maps.html)
My best hypothesis is that ...

Our library is undertaking a project to map historical data regarding 18th and 19th century British and American printers and publishers. One of the problems that we have encountered is the different ...